Commit Graph

16 Commits

Author SHA1 Message Date
Daniel Verkamp
b9bcc3531e bdev: make enum spdk_bdev_io_status private
The user should not see the bdev_io status directly; the NVMe and SCSI
error code wrappers provide the ability to translate to the desired
format regardless of what kind of error is stored inside the bdev_io.

Replace the spdk_bdev_io_completion_cb status parameter with a bool
simply indiciating whether the I/O completed successfully.

Change-Id: Iad18c2dac4374112c41b7a656154ed3ae1a68569
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/362047
Tested-by: <sys_sgsw@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
2017-05-23 16:30:10 -04:00
Daniel Verkamp
a591161cb2 bdev: make struct spdk_bdev contents private
Change-Id: If203e82f8cd10d5998a565ad490ef11e2916687f
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-05-17 09:45:42 -07:00
Daniel Verkamp
5bb041adcf bdev: rearrange spdk_bdev_io
Move some of the fields in spdk_bdev_io (the layout of which is no
longer public API) to put related fields together and improve struct
packing.

Change-Id: I0ca5d9441b00c65703c35391d125059eaa4bcee3
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-05-17 09:45:42 -07:00
Ben Walker
58734f5222 bdev: Generalize buffer allocation
Make the buffer allocation work for all types of
commands, not just read.

Change-Id: I72d8f67a724566630e7c4a74759fcb08449f7de4
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-05-10 13:12:18 -07:00
Ben Walker
9ed75e4dab bdev: Rename rbuf to just buf
We plan to use these buffers for more than just reads.

Change-Id: I8fa6cb432a6cfe4406fbf240cd3aa2ae4ab5f3d5
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-05-09 08:14:31 -07:00
Ben Walker
ed159eae1b bdev: Eliminate spdk_bdev_io::ctx
The user can get there via the bdev, so this didn't
have a purpose.

Change-Id: I7f85bb71d5ee238d37ba3624d0ac68a161c95e49
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-05-09 08:14:31 -07:00
Ben Walker
3415ce1227 bdev: Pass correct channel to bdev modules
Change-Id: I38911e70303f66f479c1495d4dbe02b2205cab8a
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-05-09 08:14:31 -07:00
Ben Walker
b961d9cc12 include: Move the remainder of the code base to stdinc.h
Change-Id: I6a142feeaad3117bd3c75e7c5cb7231a1cfa78ae
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-05-08 13:20:36 -07:00
Daniel Verkamp
15fcb1020c bdev: make struct spdk_bdev_io contents private
Change-Id: I24ff52a7375d54df06b9769bc53ddf84691e1cb1
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-05-05 09:39:49 -07:00
Daniel Verkamp
7fb6b33488 bdev: convert set_scsi_status into a bdev_io completion function
In the pattern set by spdk_bdev_io_complete_nvme_status(), allow
blockdev modules to complete a bdev_io with a SCSI status code.

Also move it to the internal bdev header file, since only bdev modules
should be setting bdev_io status codes.

Change-Id: I8b6afad2c02d7c010c5e60f06a7c7e0785eb87ca
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-05-04 09:11:42 -07:00
Daniel Verkamp
dc9e11163e bdev: add API to translate to SCSI status
Move the scsi_nvme translation code from the SCSI library into bdev, and
provide a generic way to translate any bdev_io status into a SCSI
status.

Change-Id: Ib61a6209387c24543e31574e2b5ca249e2ac8b74
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-05-04 09:11:42 -07:00
Daniel Verkamp
5639b965ac scripts/check_format.sh: catch misaligned comments
Fix up the existing comment blocks misaligned in the first column.

Also add line numbers to the comment checks.

Change-Id: I9d28c365271df36e7013d74cbb02d0023ab4f581
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-04-26 06:39:58 -07:00
Ben Walker
9d73eed8a6 bdev: Consistently pass user context to fn_table calls
Some calls were passing bdev->ctxt, some calls just
bdev. In most of our implementations those are the
same pointer, but they aren't necessarily.

Change-Id: If2d19f9eef059aded10a917ffb270c1dc4a8dc41
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
2017-04-07 08:14:34 -07:00
Daniel Verkamp
2c0bc38754 bdev: add "split" virtual blockdev example
This virtual block device takes an underlying block device and splits it
into several smaller equal-sized block devices.

Change-Id: I6f6e686c1177b2e4885f7e88809ad329caae55bd
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-01-30 13:51:18 -07:00
Daniel Verkamp
a53f617423 bdev: add API to translate to and from NVMe status
This prevents the need for bdev users and modules to manipulate the
internal bdev_io error.nvme fields.

For now, all non-NVMe error types are treated as a generic device error,
but translation from SCSI to NVMe could be added in the future.

Change-Id: I4e831b26a2f41bf2f405c7576d5019bb898d4d1b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-01-19 09:39:26 -07:00
Daniel Verkamp
1e85d9ef32 bdev_module.h: move to spdk_internal/bdev.h
This is consistent with the other internal-only API headers.

Change-Id: I2c4748977d38a6c173311d26197d6273c168da7d
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
2017-01-05 11:57:18 -07:00